Modular Security Tag With Electronic Detachment Actuator
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Solution Overview
Problem
Existing Electronic Article Surveillance (EAS) systems in retail environments lack advanced functionality and flexibility, relying on mechanical security tags that require specialized tools for detachment and lacking integrated electronic components for enhanced security and application-specific features.
Innovation Solution
A modular security tag system with a tag body and attachment assembly, featuring multiple electronic circuits for EAS, RFID, and peripheral functions like power management and sensor networks, allowing for customizable functionality and efficient unauthorized removal detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mechanical security tags with specialized detachment tools are used, then basic security protection is provided, but device complexity and operational difficulty increase due to specialized tools required for detachment
Solution Approach 1:
The patent replaces the traditional mechanical detachment system with an electronic control system. The attachment element includes an actuator that can be controlled electronically to release the security tag from the article, eliminating the need for specialized mechanical tools. The control circuit receives signals to activate the actuator, which then disengages the attachment mechanism through electronic control rather than manual mechanical intervention.
Solution Approach 2:
The security tag system becomes self-sufficient with an integrated power source that automatically activates the detachment mechanism when authorized. The system no longer requires external specialized tools or manual intervention for detachment - the electronic control system and actuator work autonomously based on authorization signals, making the detachment process as easy as presenting the article for scanning and removal.
2Ease of manufacture
If mechanical attachment elements are used, then basic attachment function is provided, but adaptability and functionality are limited without integrated electronic components
Solution Approach 1:
The attachment element is designed as a multi-functional component that combines mechanical attachment capabilities with electronic control functions. It includes an actuator that can be controlled electronically, electrical contacts for power and data transmission, and integration with the tag body's control circuit. This universal design allows the same attachment element to provide both mechanical securing and electronic control, enabling various application-specific features without requiring separate components for each function.
3Device complexity
If all electronic components are disposed within the tag body, then structural simplicity is maintained, but adaptability and functionality are reduced due to lack of modular design
Solution Approach 1:
The patent divides the electronic components into two distinct segments: the tag body containing core security functions (EAS, RFID, tamper detection) and the attachment element containing control and peripheral functions (actuator, electrical contacts, sensor network). This segmentation allows each module to be independently designed, manufactured, and optimized for its specific functions while maintaining overall system simplicity. The modular architecture enables functionality customization by selectively configuring which components are included in each segment based on application requirements.
Data Source
AI summary
A security tag includes a tag body and a cooperating tack assembly having a tack head and an elongated pin extending from the tack head, with the pin being insertable into the tag body to secure an article therebetween. One or more electronic components and associated electrical circuits, including wireless communications modules and various types of sensors, are disposed in both the tack head and tag body. The tack head includes a battery and an energy harvesting circuit. The tack head pin has one or more discrete conductive segments which, when the pin is inserted into the tag body, electrically couple with electrical circuits disposed in the tag body, thus allowing the components in the tag body to be powered at least in part by the battery and/or the energy harvesting circuit disposed in the tack head. Methods for operating the tag to perform security functions are also disclosed.